diff --git a/code/setup.dm b/code/setup.dm
index 08fec4f49a..997c9fb8f6 100644
--- a/code/setup.dm
+++ b/code/setup.dm
@@ -723,9 +723,9 @@ var/list/RESTRICTED_CAMERA_NETWORKS = list( //Those networks can only be accesse
 	)
 
 //Species flags.
-#define NO_EAT 1
+#define NO_BLOOD 1
 #define NO_BREATHE 2
-#define NO_SLEEP 4
+#define IS_SLOW 4
 #define RAD_ABSORB 8
 #define NO_SCAN 16
 #define NON_GENDERED 32